27S COURTNEY 250401 0000 24.9S 88.8E SHEM 50 988

全球热带气旋监测公报
预报：吕心艳 签发：张 玲 2025 年 04 月 01 日 10 时
“考特尼”变性为温带气旋
时 间：1日08时（北京时）
海 域：南印度洋
命 名：“考特尼”，COURTNEY
中心位置：南纬25.5度、东经88.8度
最大风力：9级（23米/秒）
中心气压：990百帕
参考位置：毛里求斯路易港偏东方向约3270公里的洋面上
变化过程：“考特尼”已变性为温带气旋
预报结论：“考特尼”将以每小时10公里左右的速度向偏南方向移动，强度逐渐减弱。
（这是关于“考特尼”的最后一期监测公报）

图1 卫星红外监测图像（北京时间2025年04月01日08时00分）

TPXS11 PGTW 010251
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 01/0230Z
C. 24.96S
D. 88.79E
E. FOUR/GK2A
F. T1.5/2.5/W1.5/24HRS STT: S0.0/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 19A/PBO XPSD LLCC/ANMTN. CIRCULARLY DEFINED CLOUD LINES
WITH NONEXISTENT, COLD OVERCAST YIELD A DT OF 1.0. MET AND PT YIELD
1.5. DBO PT.
I. ADDITIONAL POSITIONS: NONE
SWANSON

TPXS11 PGTW 010601
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 01/0530Z
C. 25.01S
D. 88.52E
E. FOUR/GK2A
F. T1.5/2.5/W1.5/24HRS STT: S0.0/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 19A/PBO XPSD LLCC/ANMTN. CIRCULARLY DEFINED CLOUD LINES
WITH NONEXISTENT, COLD OVERCAST YIELD A DT OF 1.0. MET AND PT YIELD
1.5. DBO PT.
I. ADDITIONAL POSITIONS: NONE
SWANSON

TXXS21 KNES 010556
TCSSIO
A. 27S (COURTNEY)
B. 01/0530Z
C. 24.8S
D. 88.4E
E. THREE/MET-9
F. TOO WEAK
G. IR/EIR/VIS
H. REMARKS...SYSTEM CONSISTS OF AN EXPOSED LLCC THAT LACKS DEEP
CONVECTION AND THUS IS TOO WEAK TO CLASSIFY. THIS WILL BE THE FINAL
BULLETIN UNLESS REGENERATION OCCURS.
I. ADDL POSITIONS
NIL
...KONON

27S COURTNEY 250401 0600 25.0S 88.4E SHEM 45 991

Tropical Cyclone 27S (Courtney) Warning #20 Final Warning
Issued at 01/0900Z

TPXS11 PGTW 010853
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 01/0830Z
C. 24.77S
D. 88.44E
E. FOUR/GK2A
F. T1.5/2.0/W1.5/24HRS STT: S0.0/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 19A/PBO XPSD LLCC/ANMTN. CIRCULARLY DEFINED CLOUD LINES
WITH NONEXISTENT, COLD OVERCAST YIELD A DT OF 1.0. MET AND PT YIELD
1.5. DBO PT.
I. ADDITIONAL POSITIONS: NONE
SWANSON

TPXS11 PGTW 011158
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 01/1130Z
C. 24.72S
D. 88.45E
E. FOUR/GK2A
F. T1.0/2.0/W1.5/24HRS STT: W0.5/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 19A/PBO XPSD LLCC/ANMTN. CIRCULARLY DEFINED CLOUD
LINES WITH VERY SMALL OR NONEXISTENT, COLD OVERCAST YIELD A DT OF
1.0. MET AND PT AGREE. DBO DT.
I. ADDITIONAL POSITIONS:
01/0758Z 24.68S 88.18E AMS2
PETERSEN

SH, 27, 2025040112, , BEST, 0, 250S, 883E, 40, 996, TS, 34, NEQ, 0, 140, 110, 60, 1009, 130, 50, 0, 0, S, 0, , 0, 0, COURTNEY, ,